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Questions
101 What does the symbol ‘#’ represent in the instruction MOV A, #55H?
A Direct datatype
B Indirect datatype
C Immediate datatype
D Indexed datatype

Answer: Immediate datatype
102 Which base-register is preferred for address calculation of a byte that is to be accessed from program memory by base-register plus register-indirect addressing mode?
A DPTR
B PSW
C PCON
D All of the above

Answer: DPTR
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103 Which bits of opcode specify the type of registers to be used in the register addressing mode?
A LSB
B MSB
C Both a & b
D None of the above

Answer: LSB

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